He was disturbed by doubts, for if, as Longinus observes, mediocre spirits are incapable of faults, faults belong to masters, and they ought perhaps to be admired? That is too much! Yet masters are masters! He wanted to reconcile doctrines with works, critics with poets, grasp the essence of the Beautiful; and these questions exercised him so much that his liver was upset. As a result he got jaundice.